...M. Pusparajan; M. Muthtamilselvan Purpose This study aims to investigate the linear and nonlinear stability characteristics of double-diffusive convection in a viscoelastic fluid layer with higher-order diffusion effects, extended by incorporating the Biot number to account for convective heat...

... double-diffusive convection with NEPCM phase change in complex porous cavities, providing combined first- and second-law insights supported by physics-informed learning. The integrated multiphysics model and the regression-ready outputs are positioned to support practical engineering optimization...

...Sanaa L. Khalaf; Akil Jassim Harfash Purpose The purpose of this study is to analyse double-diffusive convection in a fluid-saturated porous layer using an extended Darcy–Brinkman model with higher-order (bi-Laplacian) thermal and solutal diffusion and to determine linear and nonlinear stability...

...Shafqat Hussain; Anirban Chattopadhyay; Bander Almutairi; Samrat Hansda Purpose This study aims to numerically investigate the double-diffusive convection of a Casson ternary hybrid nanofluid (Al₂O₃–CuO–Ag/fluid) within a concentric annulus featuring an inner polygonal...

...Ruhaila Md Kasmani; S. Sivasankaran; M. Bhuvaneswari; Ahmed Kadhim Hussein Purpose The purpose of this study is to investigate the Soret and Dufour effects on the double-diffusive convective boundary layer flow of a nanofluid past a moving wedge in the presence of suction. Design/methodology...

...Mourad Moderres; Said Abboudi; Malika Ihdene; Sofiane Aberkane; Abderahmane Ghezal Purpose Double-diffusive convection within a tri-dimensional in a horizontal annulus partially filled with a fluid-saturated porous medium is numerically investigated. The aim of this work is to understand...

...Tasawar Hayat; Muhammad Farooq; Ahmad Alsaedi Purpose – The purpose of this paper is to analyze the melting heat transfer in the stagnation-point flow with double-diffusive convection. Design/methodology/approach – Series solutions for velocity, temperature and concentration are constructed...